Here is a snapshot of car shows in and around Perth this weekend. If you don't see your show, you can list it in just a few minutes.
https://cartorque.co/car-shows/rumble-amp-coffee-32-wa-12375
https://cartorque.co/car-shows/mega-mercedes-meet-wa-15301
https://cartorque.co/car-shows/day-of-the-volkswagen-2023-wa-16154